| Rank | Flag | Country | Users | Year | |
|---|
| 1 |
| China | 547,286,000 | 2007 | |
| 2 |
| India | 296,080,000 | 2008 | |
| 3 |
| United States | 255,000,000 | 2007 | |
| 4 |
| Russia | 170,000,000 | 2007 | |
| 5 |
| Brazil | 120,980,000 | 2007 | |
| 6 |
| Japan | 107,339,000 | 2007 | |
| 7 |
| Germany | 97,151,000 | 2007 | |
| 8 |
| Pakistan | 88,020,000 | 2008 | |
| 9 |
| Indonesia | 81,835,000 | 2007 | |
| 10 |
| Italy | 78,571,000 | 2006 | |
| 11 |
| United Kingdom | 71,992,000 | 2007 | |
| 12 |
| Mexico | 68,254,000 | 2007 | |
| 13 |
| Turkey | 61,976,000 | 2007 | |
| 14 |
| France | 56,719,000 | 2007 | |
| 15 |
| Ukraine | 55,240,000 | 2007 | |
| 16 |
| Philippines | 51,795,000 | 2007 | |
| 17 |
| Thailand | 51,377,000 | 2007 | |
| 18 |
| Spain | 48,813,000 | 2007 | |
| 19 |
| South Korea | 43,500,000 | 2007 | |
| 20 |
| South Africa | 42,300,000 | 2007 | |
| 21 |
| Poland | 41,389,000 | 2007 | |
| 22 |
| Argentina | 40,402,000 | 2007 | |
| 23 |
| Nigeria | 40,395,000 | 2007 | |
| 24 |
| Bangladesh | 34,370,000 | 2007 | |
| 25 |
| Colombia | 33,941,000 | 2007 | |
| 26 |
| Vietnam | 33,200,000 | 2007 | |
| 27 |
| Egypt | 30,065,000 | 2007 | |
| 28 |
| Iran | 29,770,000 | 2007 | |
| 29 |
| Saudi Arabia | 28,381,000 | 2007 | |
| 30 |
| Algeria | 27,563,000 | 2007 | |
| 31 |
| Taiwan | 24,302,000 | 2007 | |
| 32 |
| Venezuela | 23,820,000 | 2007 | |
| 33 |
| Malaysia | 23,347,000 | 2007 | |
| 34 |
| Romania | 22,875,000 | 2007 | |
| 35 |
| Australia | 21,260,000 | 2007 | |
| 36 |
| Morocco | 20,029,000 | 2007 | |
| 37 |
| Canada | 18,749,000 | 2006 | |
| 38 |
| Netherlands | 17,300,000 | 2006 | |
| 39 |
| Peru | 15,417,000 | 2007 | |
| 40 |
| Iraq | 14,021,000 | 2007 | |
| 41 |
| Chile | 13,955,000 | 2007 | |
| 42 |
| Portugal | 13,413,000 | 2007 | |
| 43 |
| Czech Republic | 13,075,000 | 2007 | |
| 44 |
| Kazakhstan | 12,588,000 | 2007 | |
| 45 |
| Greece | 11,997,000 | 2007 | |
| 46 |
| Kenya | 11,440,000 | 2007 | |
| 47 |
| Hungary | 11,030,000 | 2007 | |
| 48 |
| Hong Kong | 10,550,000 | 2007 | |
| 49 |
| Sweden | 10,371,000 | 2007 | |
| 50 |
| Belgium | 10,230,000 | 2007 | |
| 51 |
| Guatemala | 10,150,000 | 2007 | |
| 52 |
| Ecuador | 10,086,000 | 2007 | |
| 53 |
| Bulgaria | 9,897,000 | 2007 | |
| 54 |
| Austria | 9,768,000 | 2007 | |
| 55 |
| Tanzania | 9,358,000 | 2008 | |
| 56 |
| Israel | 8,902,000 | 2007 | |
| 57 |
| Serbia | 8,453,000 | 2007 | |
| 58 |
| Switzerland | 8,096,000 | 2007 | |
| 59 |
| Sri Lanka | 7,983,000 | 2007 | |
| 60 |
| Tunisia | 7,842,000 | 2007 | |
| 61 |
| Ghana | 7,604,000 | 2007 | |
| 62 |
| United Arab Emirates | 7,595,000 | 2007 | |
| 63 |
| Sudan | 7,464,000 | 2007 | |
| 64 |
| Cote d'Ivoire | 7,050,000 | 2007 | |
| 65 |
| Syria | 6,700,000 | 2007 | |
| 66 |
| Democratic Republic of the Congo | 6,592,000 | 2007 | |
| 67 |
| Denmark | 6,243,000 | 2007 | |
| 68 |
| El Salvador | 6,137,000 | 2007 | |
| 69 |
| Finland | 6,080,000 | 2007 | |
| 70 |
| Slovakia | 6,068,000 | 2007 | |
| 71 |
| Belarus | 5,960,000 | 2006 | |
| 72 |
| Uzbekistan | 5,800,000 | 2007 | |
| 73 |
| Singapore | 5,619,000 | 2007 | |
| 74 |
| Dominican Republic | 5,513,000 | 2007 | |
| 75 |
| Afghanistan | 5,400,000 | 2008 | |
| 76 |
| Norway | 5,192,000 | 2007 | |
| 77 |
| Croatia | 5,035,000 | 2007 | |
| 78 |
| Ireland | 4,940,000 | 2007 | |
| 79 |
| Lithuania | 4,912,000 | 2007 | |
| 80 |
| Jordan | 4,771,000 | 2007 | |
| 81 |
| Cameroon | 4,536,000 | 2007 | |
| 82 |
| Libya | 4,500,000 | 2007 | |
| 83 |
| Paraguay | 4,330,000 | 2007 | |
| 84 |
| Azerbaijan | 4,300,000 | 2007 | |
| 85 |
| New Zealand | 4,245,000 | 2007 | |
| 86 |
| Uganda | 4,195,000 | 2007 | |
| 87 |
| Senegal | 4,123,000 | 2007 | |
| 88 |
| Puerto Rico | 3,354,000 | 2005 | |
| 89 |
| Angola | 3,307,000 | 2007 | |
| 90 |
| Mozambique | 3,300,000 | 2007 | |
| 91 |
| Bolivia | 3,254,000 | 2007 | |
| 92 |
| Uruguay | 3,004,000 | 2007 | |
| 93 |
| Yemen | 2,978,000 | 2006 | |
| 94 |
| Kuwait | 2,774,000 | 2007 | |
| 95 |
| Zambia | 2,639,000 | 2007 | |
| 96 |
| Cambodia | 2,583,000 | 2007 | |
| 97 |
| Oman | 2,500,000 | 2007 | |
| 98 |
| Jamaica | 2,495,000 | 2006 | |
| 99 |
| Mali | 2,483,000 | 2007 | |
| 100 |
| Bosnia and Herzegovina | 2,450,000 | 2007 | |